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| 1.5 | Definitions  |

 “Aircraft” means
(i) the aircraft described in the Certificate of Final Acceptance including the Airframe, the Engines, the Propellers, the Landing Gear whether or not installed on the Airframe, (ii) all Parts and components thereof, (iii) spare parts
or ancillary equipment or devices furnished with the Airframe, or the Engines under this Agreement, (iv) all Technical Records, and (v) substitutions, renewals and replacements of any of the items identified in clauses (i) through
(iv) above, including, in the case of (i), (ii) and (iii), any Engine, Propeller, Landing Gear or Part which is for the time being detached from the Airframe but remains the property of Lessor pursuant to this Agreement. 

 “Airframe” means the Aircraft, excluding the Engines and Technical Records. 

 “Certificate of Final Acceptance” shall have the meaning ascribed to it in Article 4.1(B)(3). 

 “Engine” means each of the engines listed on the Certificate of Final Acceptance, and any replacement engine acquired by Lessor and
leased to Lessee pursuant to the terms of this Lease following a Total Loss or an early removal of an Engine, together, in any case, with any and all Parts which are from time to time incorporated in or attached to such engine and any and all Parts
removed therefrom so long as title thereto is to remain vested in Lessor in accordance herewith.